Ellis, Mark,  1945- <br/><br/>
Counterpoint :  pre intermediate / 
Mark Ellis & Printha Ellis.  
 - Surrey :  Thomas Nelson and Sons,  1986. 
 - 127 p. :  ill. ;  28 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0175555842 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Textbooks for foreign speakers
<br/><br/><label>LC Class. No.: </label>PE1128